SGC-Chem Test 2 SP2 - חִידוֹן
A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) - B) 0 C) +
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) burning wood B) breaking a pencil C) cooking eggs D) digesting food
A) Alphabetical Order B) Atomic Mass C) Discovery Date D) Atomic Number
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) density B) color C) pH D) shape
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Halogens B) Alkaline Earth C) Alkaline Metals D) Noble Gases
A) Noble Gases B) Akali C) Halogens D) Alkaline Earth
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 3 B) 4 C) 5 D) 2
A) metals B) metalloids C) nonmetals
A) Einstein B) Mendleev C) Mosely D) Ms. Watson
A) by date discovered B) According to atomic mass C) according to atomic number D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) electrons B) protons C) nucleus D) neutrons
A) color B) flammability C) pH D) reactivity
A) texture B) pH C) density D) shape
A) adding dye B) breaking C) crushing D) burning
A) precipitate forming B) breaking C) burning D) rusting
A) can only be observed by changing the substance B) vary within the same element C) only can be seen in a few elements D) can be observed with senses
A) only can be observed in a few elements B) cn only be observed by changing the substance C) can be observes with the senses D) vary within the same element
A) chemical B) physical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) second B) kelvin C) meters D) liters
A) kilograms B) meters C) hours D) grams
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 1/1,000 B) 100 C) 1/100 D) 1,000
A) control B) dependent C) constant D) independent
A) length of study B) fertilizer C) growth D) strawberries
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) constant B) dependent C) independent D) control
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 10 B) 13 C) 16 D) 0
A) 19 B) 35 C) 18 D) 17
A) 12 B) 26 C) 14 D) 10
A) 8 B) 18 C) 2 D) 10
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 2 B) 1 C) 3 D) 4
A) 89.6 mol B) 67.2 mol C) 2 mol D) 0.5 mol
A) 21.07 atoms B) 5.8x1022 atoms C) 2.107x1024 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Bohr B) Rutherford C) Dalton D) Thomson
A) Thomson B) Chadwick C) Rutherford D) Democritus
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg 
A) Dalton B) Rutherford C) Bohr D) Thomson
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Dalton C) Rutherford D) Chadwick
A) Electrons are positively charged. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) positive charge B) negative charge C) larger mass D) smaller mass
A) protons B) positrons C) electrons D) neutrons
A) 72g/ml B) 1.33g/ml C) 3g/ml D) 0.33g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |
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